Kedu ihe bụ ngwakọ 3dB? 700MHz-4200MHz 3d...
Ngwakọ ngwakọ 3dB bụ ngwaọrụ nwere ọdụ ụgbọ mmiri anọ na-ekewa ike ntinye n'otu n'otu ma na-edobe ọdịiche nke 90° n'etiti ntinye. 700MHz-4200MHz 3dB Hybrid Coupler si Keenlion na-arụ ọrụ a n'ofe cellular, LTE na 5G spectrum, na-eme ka 3dB Hybrid Coupler es ...